18356790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 45176112

約数和(自身を除く): 26819322

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 277, 282, 470, 554, 705, 831, 1385, 1410, 1662, 2209, 2770, 4155, 4418, 6627, 8310, 11045, 13019, 13254, 22090, 26038, 33135, 39057, 65095, 66270, 78114, 130190, 195285, 390570, 611893, 1223786, 1835679, 3059465, 3671358, 6118930, 9178395, 18356790]

約数ペア:

[(1, 18356790), (2, 9178395), (3, 6118930), (5, 3671358), (6, 3059465), (10, 1835679), (15, 1223786), (30, 611893), (47, 390570), (94, 195285), (141, 130190), (235, 78114), (277, 66270), (282, 65095), (470, 39057), (554, 33135), (705, 26038), (831, 22090), (1385, 13254), (1410, 13019), (1662, 11045), (2209, 8310), (2770, 6627), (4155, 4418)]